<template>
  <div>
    <!--面包屑导航-->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片-->
    <el-card>
      <!--模板布局-->
      <el-row :gutter="25">
        <el-col :span="7">
          <el-input placeholder="请输入用户名" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <!--表格-->
      <el-table :data="userList" border stripe >
        <el-table-column type="index" ></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" >
          <template v-slot="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template v-slot="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
            <el-tooltip content="分配权限" placement="top" effect="dark" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRoles(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!--分页-->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 3, 4, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
      </el-pagination>
      <!--添加用户弹出框-->
      <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      @close="addDialogClosed"
      width="50%">
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="电话" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>
    </el-card>
    <!--修改用户信息对话框-->
      <el-dialog
        title="修改用户"
        :visible.sync="editDialogVisible"
        @close="editDialogClosed"
        width="50%">
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机号" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUser(scope.row)">确 定</el-button>
        </span>
      </el-dialog>
      <!--分配用户权限的对话框-->
      <el-dialog
      title="分配用户权限"
      :visible.sync="setRolesDialogVisible"
      @close="setRolesDialogClosed"
      width="30%">
        <div>
          <p>用户名：{{userInfo.username}}</p>
          <p>用户当前角色：{{userInfo.role_name}}</p>
          <p>分配新角色：
            <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
              </el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRolesDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRole">确 定</el-button>
        </span>
      </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    const checkEmail = (rule, value, callback) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9-])+(\.[a-zA-Z0-9-])+/
      if (regEmail.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法邮箱'))
    }
    const checkMobile = (rule, value, callback) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57]|16[678]|19[789])[0-9]{8}$/
      if (regMobile.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法手机号'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      userList: [],
      total: 0,
      editDialogVisible: false,
      addDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名在3~10个字符之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '密码在6~15个字符之间', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '用户名不能为空', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      setRolesDialogVisible: false,
      // 被分配权限的用户信息
      userInfo: {},
      rolesList: [],
      selectedRoleId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: result } = await this.$http.get('users', { params: this.queryInfo })
      if (result.meta.status !== 200) return this.$message.error('获取用户信息列表失败')
      this.userList = result.data.users
      this.total = result.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async userStateChanged (userInfo) {
      const { data: result } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (result.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    addUser () {
      // 先进行表单豫验证
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) {
          return false
        }
        const { data: result } = await this.$http.post('users', this.addForm)
        if (result.meta.status !== 201) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    async showEditDialog (id) {
      const { data: result } = await this.$http.get('users/' + id)
      if (result.meta.status !== 200) {
        return this.$message.error('获取用户信息失败！')
      }
      this.editForm = result.data
      this.editDialogVisible = true
    },
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    editUser () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) {
          return false
        }
        const { data: result } = await this.$http.put('users/' + this.editForm.id, { email: this.editForm.email, mobile: this.editForm.mobile })
        if (result.meta.status !== 200) {
          return this.$message.error('修改用户信息失败！')
        }
        this.editDialogVisible = false
        this.getUserList()
        this.$message.success('修改用户信息成功！')
      })
    },
    async deleteUser (id) {
      const res = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 如果用户点击确定返回 confirm 字符串
      // 如果用户点击取消返回 cancel 字符串
      if (res !== 'confirm') {
        return this.$message.info('取消了删除')
      }
      const { data: result } = await this.$http.delete('users/' + id)
      if (result.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      this.getUserList()
    },
    async setRoles (userInfo) {
      this.userInfo = userInfo
      console.log(this.userInfo)
      // 获取角色列表
      const { data: result } = await this.$http.get('roles')
      if (result.meta.status !== 200) {
        return this.$message.error('获取角色列表数据失败')
      }
      this.rolesList = result.data
      this.setRolesDialogVisible = true
    },
    async saveRole () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择新分配的角色ID')
      }
      const { data: result } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId })
      if (result.meta.status !== 200) {
        return this.$message.error('修改用户角色失败！')
      }
      this.$message.success('更新用户角色成功！')
      this.getUserList()
      this.setRolesDialogVisible = false
    },
    setRolesDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped>
</style>
